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Re: DWARF2 CFI in absence of a frame pointer

From: Josef Zlomek <zlomj9am at artax dot karlin dot mff dot cuni dot cz>
To: Richard Henderson <rth at redhat dot com>,Mark Kettenis <kettenis at chello dot nl>, gcc at gcc dot gnu dot org
Date: Sat, 29 Nov 2003 21:52:52 +0100
Subject: Re: DWARF2 CFI in absence of a frame pointer
References: <200311272308.hARN8rww016158@elgar.kettenis.dyndns.org> <20031127234431.GC12234@redhat.com>

> > In particular, GCC will generate CFI for the epilogue ...
> 
> This should not be happening.  We don't generate CFI for the
> epilogue *at all*.  We should, I know, but we don't.  There
> is an open enhancement PR for this.

I'm working on CFG based generator of unwinding info. There are some
minor issues left yet but it works quite well on x86-64 now.
I'll send the patch for comments until Monday.

Josef

References:
- DWARF2 CFI in absence of a frame pointer
  - From: Mark Kettenis
- Re: DWARF2 CFI in absence of a frame pointer
  - From: Richard Henderson

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